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Comparing Coro/myhttpd/httpd.pl (file contents):
Revision 1.8 by root, Sat Aug 11 03:41:01 2001 UTC vs.
Revision 1.18 by root, Wed Aug 15 03:13:36 2001 UTC

… …
43 43
44my $http_port = new Coro::Socket 44my $http_port = new Coro::Socket
45 LocalAddr => $SERVER_HOST, 45 LocalAddr => $SERVER_HOST,
46 LocalPort => $SERVER_PORT, 46 LocalPort => $SERVER_PORT,
47 ReuseAddr => 1, 47 ReuseAddr => 1,
48 Listen => 1, 48 Listen => 50,
49 or die "unable to start server"; 49 or die "unable to start server";
50 50
51push @listen_sockets, $http_port; 51push @listen_sockets, $http_port;
52 52
53# the "main thread" 53# the "main thread"
… …
70package conn; 70package conn;
71 71
72use Socket; 72use Socket;
73use HTTP::Date; 73use HTTP::Date;
74use Convert::Scalar 'weaken'; 74use Convert::Scalar 'weaken';
75use Linux::AIO;
76
77Linux::AIO::min_parallel $::AIO_PARALLEL;
78
79Event->io(fd => Linux::AIO::poll_fileno,
80 poll => 'r', async => 1,
81 cb => \&Linux::AIO::poll_cb );
75 82
76our %conn; # $conn{ip}{fh} => connobj 83our %conn; # $conn{ip}{fh} => connobj
77our %blocked; 84our %blocked;
85our %mimetype;
86
87sub read_mimetypes {
88 local *M;
89 if (open M, "<mime_types") {
90 while (<M>) {
91 if (/^([^#]\S+)\t+(\S+)$/) {
92 $mimetype{lc $1} = $2;
93 }
94 }
95 } else {
96 print "cannot open mime_types\n";
97 }
98}
99
100read_mimetypes;
78 101
79sub new { 102sub new {
80 my $class = shift; 103 my $class = shift;
81 my $peername = shift; 104 my $peername = shift;
82 my $fh = shift; 105 my $fh = shift;
83 my $self = bless { fh => $fh }, $class; 106 my $self = bless { fh => $fh }, $class;
84 my (undef, $iaddr) = unpack_sockaddr_in $peername 107 my (undef, $iaddr) = unpack_sockaddr_in $peername
85 or $self->err(500, "unable to decode peername"); 108 or $self->err(500, "unable to decode peername");
86 109
87 $self->{remote_addr} = inet_ntoa $iaddr; 110 $self->{remote_addr} = inet_ntoa $iaddr;
111 $self->{time} = $::NOW;
88 112
89 # enter ourselves into various lists 113 # enter ourselves into various lists
90 weaken ($conn{$self->{remote_addr}}{$self*1} = $self); 114 weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
91 115
116 $::conns++;
117
92 $self; 118 $self;
93} 119}
94 120
95sub DESTROY { 121sub DESTROY {
96 my $self = shift; 122 my $self = shift;
123
124 $::conns--;
125
97 delete $conn{$self->{remote_addr}}{$self*1}; 126 delete $conn{$self->{remote_addr}}{$self*1};
98 delete $uri{$self->{uri}}{$self*1}; 127 delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
99} 128}
100 129
101sub slog { 130sub slog {
102 my $self = shift; 131 my $self = shift;
103 main::slog($_[0], "$self->{remote_addr}> $_[1]"); 132 main::slog($_[0], "$self->{remote_addr}> $_[1]");
104} 133}
105 134
106sub response { 135sub response {
107 my ($self, $code, $msg, $hdr, $content) = @_; 136 my ($self, $code, $msg, $hdr, $content) = @_;
108 my $res = "HTTP/1.0 $code $msg\015\012"; 137 my $res = "HTTP/1.1 $code $msg\015\012";
109 138
110 $res .= "Connection: close\015\012"; 139 #$res .= "Connection: close\015\012";
111 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( 140 $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(
112 141
113 while (my ($h, $v) = each %$hdr) { 142 while (my ($h, $v) = each %$hdr) {
114 $res .= "$h: $v\015\012" 143 $res .= "$h: $v\015\012"
115 } 144 }
145 $res .= "\015\012";
116 146
117 $res .= "\015\012$content" if defined $content; 147 $res .= $content if defined $content and $self->{method} ne "HEAD";
118 148
119 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# 149 print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#
120 150
151 $self->{written} +=
121 print {$self->{fh}} $res; 152 print {$self->{fh}} $res;
122} 153}
123 154
124sub err { 155sub err {
125 my $self = shift; 156 my $self = shift;
126 my ($code, $msg, $hdr, $content) = @_; 157 my ($code, $msg, $hdr, $content) = @_;
… …
128 unless (defined $content) { 159 unless (defined $content) {
129 $content = "$code $msg"; 160 $content = "$code $msg";
130 $hdr->{"Content-Type"} = "text/plain"; 161 $hdr->{"Content-Type"} = "text/plain";
131 $hdr->{"Content-Length"} = length $content; 162 $hdr->{"Content-Length"} = length $content;
132 } 163 }
164 $hdr->{"Connection"} = "close";
133 165
134 $self->response($code, $msg, $hdr, $content); 166 $self->response($code, $msg, $hdr, $content);
135 167
136 die bless {}, err::; 168 die bless {}, err::;
137} 169}
138 170
139sub err_blocked { 171sub err_blocked {
140 my $self = shift; 172 my $self = shift;
141 my $ip = $self->{remote_addr}; 173 my $ip = $self->{remote_addr};
142 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; 174 my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
175
176 Coro::Event::do_timer(after => 15);
177
143 $self->err(403, "too many connections", 178 $self->err(401, "too many connections",
144 { 179 {
145 "Content-Type" => "text/html", 180 "Content-Type" => "text/html",
146 "Retry-After" => $::BLOCKTIME 181 "Retry-After" => $::BLOCKTIME
147 }, 182 },
148 <<EOF); 183 <<EOF);
… …
160 195
161sub handle { 196sub handle {
162 my $self = shift; 197 my $self = shift;
163 my $fh = $self->{fh}; 198 my $fh = $self->{fh};
164 199
200 $fh->timeout($::REQ_TIMEOUT);
165 #while() { 201 while() {
202 $self->{reqs}++;
203
204 # read request and parse first line
205 my $req = $fh->readline("\015\012\015\012");
206
207 unless (defined $req) {
208 if (exists $self->{version}) {
209 last;
210 } else {
211 $self->err(408, "request timeout");
212 }
213 }
214
166 $self->{h} = {}; 215 $self->{h} = {};
167 216
168 # read request and parse first line
169 $fh->timeout($::REQ_TIMEOUT);
170 my $req = $fh->readline("\015\012\015\012");
171 $fh->timeout($::RES_TIMEOUT); 217 $fh->timeout($::RES_TIMEOUT);
172
173 defined $req or
174 $self->err(408, "request timeout");
175
176 my $ip = $self->{remote_addr}; 218 my $ip = $self->{remote_addr};
177 219
178 if ($blocked{$ip}) { 220 if ($blocked{$ip}) {
179 $self->err_blocked($blocked{$ip}) 221 $self->err_blocked($blocked{$ip})
180 if $blocked{$ip} > $::NOW; 222 if $blocked{$ip} > $::NOW;
181 223
182 delete $blocked{$ip}; 224 delete $blocked{$ip};
183 } 225 }
184 226
185 if (%{$conn{$ip}} > $::MAX_CONN_IP) { 227 if (%{$conn{$ip}} > $::MAX_CONN_IP) {
186 $self->slog("blocked ip $ip"); 228 $self->slog(2, "blocked ip $ip");
187 $self->err_blocked; 229 $self->err_blocked;
188 } 230 }
189 231
190 $req =~ /^(?:\015\012)? 232 $req =~ /^(?:\015\012)?
191 (GET|HEAD) \040+ 233 (GET|HEAD) \040+
192 ([^\040]+) \040+ 234 ([^\040]+) \040+
193 HTTP\/([0-9]+\.[0-9]+) 235 HTTP\/([0-9]+\.[0-9]+)
194 \015\012/gx 236 \015\012/gx
195 or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); 237 or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
196
197 $2 ne "1.0"
198 or $self->err(506, "http protocol version not supported");
199 238
200 $self->{method} = $1; 239 $self->{method} = $1;
201 $self->{uri} = $2; 240 $self->{uri} = $2;
241 $self->{version} = $3;
242
243 $3 eq "1.0" or $3 eq "1.1"
244 or $self->err(506, "http protocol version $3 not supported");
202 245
203 # parse headers 246 # parse headers
204 { 247 {
205 my (%hdr, $h, $v); 248 my (%hdr, $h, $v);
206 249
… …
219 while ($h, $v) = each %hdr; 262 while ($h, $v) = each %hdr;
220 } 263 }
221 264
222 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; 265 $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;
223 266
224 weaken ($uri{$self->{uri}}{$self*1} = $self); 267 weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
225 268
226 $self->map_uri; 269 $self->map_uri;
227 $self->respond; 270 $self->respond;
271
272 last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1";
273
274 $self->slog(9, "persistant connection [".$self->{h}{"user-agent"}."][$self->{reqs}]");
275 $fh->timeout($::PER_TIMEOUT);
228 #} 276 }
229} 277}
230 278
231# uri => path mapping 279# uri => path mapping
232sub map_uri { 280sub map_uri {
233 my $self = shift; 281 my $self = shift;
… …
290 if (chdir $::DOCROOT) { 338 if (chdir $::DOCROOT) {
291 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike 339 $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
292 $ENV{HTTP_HOST} = $self->server_host; 340 $ENV{HTTP_HOST} = $self->server_host;
293 $ENV{HTTP_PORT} = $self->{server_host}; 341 $ENV{HTTP_PORT} = $self->{server_host};
294 $ENV{SCRIPT_NAME} = $self->{name}; 342 $ENV{SCRIPT_NAME} = $self->{name};
295 exec $::INDEXPROG; 343 exec $path;
296 } 344 }
297 Coro::State::_exit(0); 345 Coro::State::_exit(0);
298 } else { 346 } else {
299 } 347 }
300} 348}
… …
303 my $self = shift; 351 my $self = shift;
304 my $path = $self->{path}; 352 my $path = $self->{path};
305 353
306 stat $path 354 stat $path
307 or $self->err(404, "not found"); 355 or $self->err(404, "not found");
356
357 $self->{stat} = [stat _];
308 358
309 # idiotic netscape sends idiotic headers AGAIN 359 # idiotic netscape sends idiotic headers AGAIN
310 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ 360 my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/
311 ? str2time $1 : 0; 361 ? str2time $1 : 0;
312 362
… …
315 if ($path !~ /\/$/) { 365 if ($path !~ /\/$/) {
316 # create a redirect to get the trailing "/" 366 # create a redirect to get the trailing "/"
317 my $host = $self->server_hostport; 367 my $host = $self->server_hostport;
318 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); 368 $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });
319 } else { 369 } else {
320 $ims < (stat _)[9] 370 $ims < $self->{stat}[9]
321 or $self->err(304, "not modified"); 371 or $self->err(304, "not modified");
322 372
323 if ($self->{method} eq "GET") { 373 if ($self->{method} eq "GET") {
324 if (-r "$path/index.html") { 374 if (-r "$path/index.html") {
325 $self->{path} .= "/index.html"; 375 $self->{path} .= "/index.html";
… …
337 } 387 }
338} 388}
339 389
340sub handle_dir { 390sub handle_dir {
341 my $self = shift; 391 my $self = shift;
342 $self->_cgi($::INDEXPROG); 392 my $idx = $self->diridx;
393
394 $self->response(200, "ok",
395 {
396 "Content-Type" => "text/html",
397 "Content-Length" => length $idx,
398 },
399 $idx);
343} 400}
344 401
345sub handle_file { 402sub handle_file {
346 my $self = shift; 403 my $self = shift;
347 my $length = -s _; 404 my $length = -s _;
… …
367 $hdr->{"Content-Range"} = "bytes */$length"; 424 $hdr->{"Content-Range"} = "bytes */$length";
368 $self->err(416, "not satisfiable", $hdr); 425 $self->err(416, "not satisfiable", $hdr);
369 426
370satisfiable: 427satisfiable:
371 # check for segmented downloads 428 # check for segmented downloads
372 if ($l && $NO_SEGMENTED) { 429 if ($l && $::NO_SEGMENTED) {
373 if (%{$uri{$self->{uri}}} > 1) { 430 if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
374 $self->slog("segmented download refused\n"); 431 Coro::Event::do_timer(after => 15);
432
375 $self->err(400, "segmented downloads are not allowed"); 433 $self->err(400, "segmented downloads are not allowed");
376 } 434 }
377 } 435 }
378 436
379 $hdr->{"Content-Range"} = "bytes $l-$h/$length"; 437 $hdr->{"Content-Range"} = "bytes $l-$h/$length";
… …
383ignore: 441ignore:
384 } else { 442 } else {
385 ($l, $h) = (0, $length - 1); 443 ($l, $h) = (0, $length - 1);
386 } 444 }
387 445
388 if ($self->{path} =~ /\.html$/) { 446 $self->{path} =~ /\.([^.]+)$/;
389 $hdr->{"Content-Type"} = "text/html";
390 } else {
391 $hdr->{"Content-Type"} = "application/octet-stream"; 447 $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream";
392 }
393
394 $hdr->{"Content-Length"} = $length; 448 $hdr->{"Content-Length"} = $length;
395 449
396 $self->response(@code, $hdr, ""); 450 $self->response(@code, $hdr, "");
397 451
398 if ($self->{method} eq "GET") { 452 if ($self->{method} eq "GET") {
399 my ($fh, $buf); 453 my ($fh, $buf, $r);
454 my $current = $Coro::current;
400 open $fh, "<", $self->{path} 455 open $fh, "<", $self->{path}
401 or die "$self->{path}: late open failure ($!)"; 456 or die "$self->{path}: late open failure ($!)";
402 457
403 if ($l) {
404 sysseek $fh, $l, 0
405 or die "$self->{path}: cannot seek to $l ($!)";
406 }
407
408 $h -= $l - 1; 458 $h -= $l - 1;
409 459
410 while ($h > 0) { 460 while ($h > 0) {
411 $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; 461 aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
462 $buf, 0, sub {
463 $r = $_[0];
464 $current->ready;
465 });
466 &Coro::schedule;
467 last unless $r;
412 $self->{fh}->syswrite($buf) 468 my $w = $self->{fh}->syswrite($buf)
413 or last; 469 or last;
470 $::written += $w;
471 $self->{written} += $w;
472 $l += $r;
414 } 473 }
415 } 474 }
416 475
417 close $fh; 476 close $fh;
418} 477}

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